The utility model relates to hardware profile technical field especially relates to an angle adjustable safety anti -drop spacing support connecting rod, including: the bottom groove, connecting rod long
branch, connecting rod short
branch, sliding block component, the sliding block install in the bottom groove inside and along the slide rail displacement of bottom groove, the first end articulates in the sliding block of connecting rod long
branch, the end articulates in connecting rod short branch of connecting rod long branch, be equipped with quick -release piece on the first end of connecting rod long branch, quick -release piece one end pass through
willow hinge in connecting rod long branch, quick -release piece other end is equipped with barb, barb is buckled on the connecting axle of connecting rod long branch with sliding block, the utility model has the advantages of: spacing support can adjust the
window opening angle, and can through screw or sliding block limiting two ways with
window opening angle fixed 10 degrees or 30 degrees, rotate quick -release piece, make it separate connecting axle, can dismantle connecting rod long branch, thereby convenient for construction personnel to dismantle door and window, locking bolt pass through and prop up the bottom groove, to limit the displacement of sliding block, can make its door and window keep in a certain angle.